CutMeshByLevelSetGeneratorBase.h

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//* This file is part of the MOOSE framework
//* https://mooseframework.inl.gov
//*
//* All rights reserved, see COPYRIGHT for full restrictions
//* https://github.com/idaholab/moose/blob/master/COPYRIGHT
//*
//* Licensed under LGPL 2.1, please see LICENSE for details
//* https://www.gnu.org/licenses/lgpl-2.1.html
 
#pragma once
 
#include "MeshGenerator.h"
 
#include "FunctionParserUtils.h"
 
class CutMeshByLevelSetGeneratorBase : public MeshGenerator, public FunctionParserUtils<false>
{
public:
  static InputParameters validParams();
 
  CutMeshByLevelSetGeneratorBase(const InputParameters & parameters);
 
  std::unique_ptr<MeshBase> generate() override;
 
  enum class PointLevelSetRelationIndex : short int
  {
    level_set_out_side = 1,
    level_set_in_side = -1,
    on_level_set = 0
  };
 
protected:
  const MeshGeneratorName _input_name;
  const bool _generate_transition_layer;
  boundary_id_type _cut_face_id;
  const BoundaryName _cut_face_name;
  const SubdomainName _converted_tet_element_subdomain_name_suffix;
  const SubdomainName _converted_pyramid_element_subdomain_name_suffix;
  std::unique_ptr<MeshBase> & _input;
  SymFunctionPtr _func_level_set;
 
  PointLevelSetRelationIndex pointLevelSetRelation(const Point & point);
 
  Point pointPairLevelSetInterception(const Point & point1, const Point & point2);
 
  void tet4ElemCutter(ReplicatedMesh & mesh,
                      const std::vector<libMesh::BoundaryInfo::BCTuple> & bdry_side_list,
                      const dof_id_type elem_id,
                      const subdomain_id_type & block_id_to_remove,
                      std::vector<const Node *> & new_on_plane_nodes);
 
  const Node * nonDuplicateNodeCreator(ReplicatedMesh & mesh,
                                       std::vector<const Node *> & new_on_plane_nodes,
                                       const Point & new_point) const;
 
  Real levelSetEvaluator(const Point & point);
};